New Guinea impatiens plant named ‘Fidimpmaxburg’

ABSTRACT

A new and distinct cultivar of  Impatiens  plant named ‘Fidimpmaxburg’, characterized by its upright and broadly outwardly spreading growth habit; mounded plant form; freely branching habit; dark green-colored leaves; early and freely flowering habit; large dark red purple-colored flowers; and good garden performance.

Botanical designation: Impatiens hawkeri.

Cultivar denomination: ‘FIDIMPMAXBURG’.

BACKGROUND OF THE INVENTION

The present invention relates to a new and distinct cultivar of New Guinea Impatiens plant, botanically known as Impatiens hawkeri and hereinafter referred to by the name ‘Fidimpmaxburg’.

The new Impatiens plant is a product of a planned breeding program conducted by the Inventor in De Lier, The Netherlands. The objective of the breeding program is to create new freely-branching New Guinea Impatiens plants with early and freely flowering habit and large uniquely-colored attractive flowers.

The new Impatiens plant originated from a cross-pollination made in 2007 by the Inventor in De Lier, The Netherlands of a proprietary selection of Impatiens hawkeri identified as code number AMI 081250, not patented, as the female, or seed, parent with a proprietary selection of Impatiens hawkeri identified as code number AMI 081260, not patented, as the male, or pollen, parent. The new Impatiens plant was discovered and selected by the Inventor as a single flowering plant within the progeny of the stated cross-pollination in a controlled greenhouse environment in De Lier, The Netherlands in 2008.

Asexual reproduction of the new Impatiens plant by vegetative cuttings in a controlled environment in De Lier, The Netherlands since 2008 has shown that the unique features of this new Impatiens plant are stable and reproduced true to type in successive generations.

SUMMARY OF THE INVENTION

Plants of the new Impatiens plant have not been observed under all possible environmental conditions and cultural practices. The phenotype may vary somewhat with variations in environmental conditions such as temperature and light intensity without, however, any variance in genotype.

The following traits have been repeatedly observed and are determined to be the unique characteristics of ‘Fidimpmaxburg’. These characteristics in combination distinguish ‘Fidimpmaxburg’ as a new and distinct Impatiens plant:

-   -   1. Upright and broadly outwardly spreading growth habit; mounded         plant form.     -   2. Freely branching habit.     -   3. Dark green-colored leaves.     -   4. Early and freely flowering habit.     -   5. Large dark red purple-colored flowers.     -   6. Good garden performance.

Plants of the new Impatiens can be compared to plants of the parent selections. Plants of the new Impatiens differ primarily from plants of the parent selections in the following characteristics:

-   -   1. Plants of the new Impatiens are more vigorous than plants of         the parent selections.     -   2. Flowers of plants of the new Impatiens are larger than         flowers of plants of the parent selections.

Plants of the new Impatiens can be compared to plants of Impatiens hawkeri ‘Tamar Purple’, disclosed in U.S. Plant Pat. No. 12,369. In side-by-side comparisons conducted in De Lier, The Netherlands, plants of the new Impatiens differed primarily from plants of ‘Tamar Purple’ in the following characteristics:

-   -   1. Plants of the new Impatiens were more vigorous than plants of         ‘Tamar Purple’.     -   2. Flowers of plants of the new Impatiens were larger than         flowers of plants of ‘Tamar Purple’.

BRIEF DESCRIPTION OF THE PHOTOGRAPH

The accompanying colored photograph illustrates the overall appearance of the new Impatiens plant showing the colors as true as it is reasonably possible to obtain in colored reproductions of this type. Colors in the photograph may differ slightly from the color values cited in the detailed botanical description which accurately describe the colors of the new Impatiens plant.

The photograph comprises a top perspective view of a typical flowering plant of ‘Fidimpmaxburg’ grown in a container.

DETAILED BOTANICAL DESCRIPTION

The aforementioned photograph and following observations, measurements and values describe plants grown in 19-cm containers in a glass-covered greenhouse in De Lier, The Netherlands under cultural practices typical of commercial Impatiens production. During the production of the plants, day and night temperatures averaged 18° C. Plants were eleven weeks old when the photograph and description were taken. In the following description, color references are made to The Royal Horticultural Society Colour Chart, 2007 Edition, except where general terms of ordinary dictionary significance are used.

-   Botanical classification: Impatiens hawkeri ‘Fidimpmaxburg’. -   Parentage:     -   -   Female, or seed, parent.—Proprietary selection of Impatiens             hawkeri identified as code number AMI 081250, not patented.         -   Male, or pollen, parent.—Proprietary selection of Impatiens             hawkeri identified as code number AMI 081260, not patented. -   Propagation:     -   -   Type.—By vegetative cuttings.         -   Time to initiate roots, summer.—About five to seven days at             temperatures ranging from 19° C. to 20° C.         -   Time to initiate roots, winter.—About six to eight days at             temperatures ranging from 19° C. to 20° C.         -   Time to produce a rooted young plant, summer.—About 14 to 19             days at temperatures ranging from 19° C. to 20° C.         -   Time to produce a rooted young plant, winter.—About 14 to 21             days at temperatures ranging from 19° C. to 20° C.         -   Root description.—Fine; white to brown in color.         -   Rooting habit.—Freely branching. -   Plant description:     -   -   Plant and growth habit.—Upright and broadly outwardly             spreading growth habit; mounded plant form, flattened             globular; freely branching habit with about five lateral             branches; pinching is typically not required; moderately             vigorous growth habit.         -   Plant height.—About 32 cm.         -   Plant diameter.—About 49 cm. -   Lateral branch description:     -   -   Length.—About 28 cm.         -   Diameter.—About 1.4 cm to 2 cm.         -   Internode length.—About 4 cm to 6 cm.         -   Strength.—Moderately strong.         -   Aspect.—Initially upright to outwardly spreading.         -   Texture.—Smooth, glabrous.         -   Color.—Close to 146B tinted with close to 183A. -   Foliage description:     -   -   Arrangement.—Opposite or in whorls of about five; simple.         -   Length.—About 12 cm.         -   Width.—About 4.5 cm.         -   Shape.—Ovate.         -   Apex.—Acute.         -   Base.—Attenuate.         -   Margin.—Serrate with ciliation.         -   Texture, upper and lower surfaces.—Smooth, glabrous;             leathery; moderately glossy in luster.         -   Venation pattern.—Pinnate; arcuate.         -   Color.—Developing leaves, upper surface: Close to 137A.             Developing leaves, lower surface: Close to 138B. Fully             expanded leaves, upper surface: Darker than N137A; venation,             close to 138B. Fully expanded leaves, lower surface: Close             to 138B; venation, close to 138B.         -   Petiole.—Length: About 4.5 cm. Diameter: About 4 mm.             Texture, upper and lower surfaces: Smooth, glabrous. Color,             upper and lower surfaces: Close to 147C tinted with close to             183D. -   Flower description:     -   -   Flower type and flowering habit.—Single rounded axillary             flowers; freely flowering habit with about 25 flowers             developing per plant; flowers positioned above the foliage             and typically face upright or outwardly.         -   Fragrance.—None detected.         -   Natural flowering season.—Year-round under greenhouse             conditions; in the garden, continuous flowering from spring             through the summer in The Netherlands; early flowering             habit, plants begin flowering about ten to eleven weeks             after planting.         -   Flower longevity.—Flowers last about ten days on the plant             under greenhouse conditions; petals self-cleaning, gynoecium             persistent.         -   Flower size.—Diameter: About 7 cm. Depth: About 6 mm.         -   Flower buds.—Length: About 1.5 cm. Diameter: About 1 cm.             Shape: Ovoid; pointed. Color: Close to 60A and 60B.         -   Petals.—Quantity and arrangement: Five per flower in a             single whorl. Length, banner petal: About 2.5 cm. Length,             lateral and lower petals: About 3 cm. Width, banner petal:             About 5.5 cm. Width, lateral and lower petals: About 3.5 cm.             Shape, all petals: Cordate. Apex, banner petal: Mucronate.             Apex, lateral and lower petals: Emarginate. Base, all             petals: Attenuate. Margin, all petals: Entire. Texture, all             petals, upper and lower surfaces: Smooth, glabrous. Color,             banner petal: When opening, upper surface: Close to 60A.             When opening, lower surface: Close to 60C; apex, close to             144B. Fully opened, upper surface: Close to 60B; color             becoming closer to 60D with development. Fully opened, lower             surface: Close to 60C and 60D; apex, close to 144B. Color,             lateral and lower petals: When opening, upper surface: Close             to 60A. When opening, lower surface: Close to 60C. Fully             opened, upper surface: Close to 60D; color does not change             with development. Fully opened, lower surface: Close to 60B;             towards the base, close to 60D.         -   Sepals.—Quantity and arrangement: Three; two lateral sepals             and the third modified with an elongated spur. Length,             lateral sepals: About 1.5 cm. Length, spurred sepal: About             1.5 cm. Length, spur: About 6 cm. Width, lateral sepals:             About 7 mm. Width, spurred sepal: About 1.3 cm. Diameter,             spur: About 2 mm. Shape, lateral sepals: Ovate. Shape,             spurred sepal: Broadly ovate with elongated spur. Apex, all             sepals: Acuminate. Base, all sepals: Cuneate. Margin, all             sepals: Entire. Texture, all sepals, upper and lower             surfaces: Smooth, glabrous. Color, immature: All sepals,             upper surface: Close to 60B, 60C and 62B. All sepals, lower             surface: Close to 62B; towards the margins, close to 62C;             apex, close to 144A. Spur, upper and lower surfaces: Close             to 60A. Color, mature: Lateral sepals, upper and lower             surfaces: Close to 53B; apex, close to 144B. Spurred sepal,             upper surface: Close to 60B, 60C and 62B. Spurred sepal,             lower surface: Close to 62B; towards the margins, close to             62C; apex, close to 144A. Spur, upper and lower surfaces:             Close to 60A.         -   Peduncles.—Length: About 6 cm. Diameter: About 2 mm. Angle:             Mostly erect. Strength: Moderately strong. Texture: Smooth,             glabrous. Color: Close to 144B tinted with close to 182A.         -   Reproductive organs.—Stamens: Quantity: Five fused at             anthers; filaments free. Anther length: About 2 mm. Anther             color: Close to 156B, 158B and 61B. Pollen amount: Moderate.             Pollen color: Close to 158D. Pistils: Quantity per flower:             One. Pistil length: About 0.5 mm. Stigma shape: Capitate.             Stigma color: Close to 158D. Ovary color: Close to 144A.         -   Seeds and fruits.—Seed and fruit production have not been             observed on plants of the new Impatiens plant. -   Disease & pest resistance: Plants of the new Impatiens have not been     observed to be resistant to pathogens and pests common to Impatiens     plants. -   Garden performance: Plants of the new Impatiens have been observed     to have good garden performance and tolerate wind, rain and     temperatures ranging from about 4° C. to about 35° C. 

It is claimed:
 1. A new and distinct Impatiens plant named ‘Fidimpmaxburg’ as illustrated and described. 